[INFO] fetching crate umberwm 0.0.20...
[INFO] checking umberwm-0.0.20 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate umberwm 0.0.20 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate umberwm 0.0.20 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate umberwm 0.0.20
[INFO] finished tweaking crates.io crate umberwm 0.0.20
[INFO] tweaked toml for crates.io crate umberwm 0.0.20 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate umberwm 0.0.20 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 91170d18e5d45768fa44a91d95b84a513ac88ec77eda15c7cdffad0c0bbd0ea2
[INFO] running `Command { std: "docker" "start" "-a" "91170d18e5d45768fa44a91d95b84a513ac88ec77eda15c7cdffad0c0bbd0ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91170d18e5d45768fa44a91d95b84a513ac88ec77eda15c7cdffad0c0bbd0ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91170d18e5d45768fa44a91d95b84a513ac88ec77eda15c7cdffad0c0bbd0ea2", kill_on_drop: false }`
[INFO] [stdout] 91170d18e5d45768fa44a91d95b84a513ac88ec77eda15c7cdffad0c0bbd0ea2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09eac80111d413549c08109c4ff4fed88e18e605a0eaed020e9f01963150927b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "09eac80111d413549c08109c4ff4fed88e18e605a0eaed020e9f01963150927b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking umberwm v0.0.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.72s
[INFO] running `Command { std: "docker" "inspect" "09eac80111d413549c08109c4ff4fed88e18e605a0eaed020e9f01963150927b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09eac80111d413549c08109c4ff4fed88e18e605a0eaed020e9f01963150927b", kill_on_drop: false }`
[INFO] [stdout] 09eac80111d413549c08109c4ff4fed88e18e605a0eaed020e9f01963150927b